Xilinx mig calibration

Xilinx mig calibration. . I would also try generating the IP Example Design to see if you're able to reproduce the calibration failure with a single MIG core running on the board. Nov 8, 2023 · The Memory Controller supports the following calibration routines. For Board Sanity check, first run BIT test "rdf0387-vcu118-bit-c-2019-1. 6 (Xilinx Answer 50699) MIG 7 Series - VCC_AUX can get set incorrectly in certain multi-controller This section of the MIG Design Assistant focuses on the ZQ Calibration defined by the JEDEC Specification, as it applies to the MIG Virtex-6 FPGA DDR3 designs. USE_ODT_PORT = "0". From XSDB i found it's a data miscompare (Xilinx Answer 50701) MIG 7 Series DDR3 - MIG incorrectly assigns 2 Chip Select (CS) pins to the single rank part MT9JSF25672PZ: 1. 42783 - MIG DDR2/DDR3 - Termination for Data Mask (DM) Signal when DM is disabled. For more details on these routines, please see PG150. POWER & POWER TOOLS. The design instantiates a DDR4 MIG along with other logic. I realize the process begins with FSBL which uses the pcu_init. This Answer Record is contained in a series of MIG hardware debug Answer Records and assumes you are running the MIG Example Design with the Debug Port Enabled. B0N0 means the Byte 0 Nibble 0 values from the GUI. Note: This Answer Record is a part of the Xilinx MIG Solution Center (Xilinx Answer 34243). Once the design and board have been verified, the next step is to determine during which To skip calibration process of DDR3 interface in MIG 7 series. Hello to everyone, I am trying to add the ECC feature to my actual design (see pic). after a reset) MIG 7 Series v2. The MIG design checklist is a tool available to help customers through every stage of their MIG design. Part no:- xczu19eg-ffvc1760-3-e Memory Device Interface clock:-1200MHz,Reference Input Clock:-300MHz PHY only configuration with PHY to controller clock frequency ratio as Thanks for the response, however I need some actual calibration times. I thought i should only change the Simulation parameters: SIM_BYPASS_INIT_CAL : string := "FAST"; SIMULATION : string := "TRUE"; I changed the parameters manually (outside the Vivado), because the file is read-only. In simulation calib_done signal is asserted high, but on hardware the calibration process has failed. No differences), out of them 6 passed calibration and the reamining 6 failed in the last stage of calibration "Write_Read_Sanity_Check0". 4 example design, I can not do calibration simulation. xilinx. RESULT: MIG calibration FAIL; Test with Vivado Lab started AFTER FPGA powered on, but BEFORE MIG calibration (i. Description. The u_ddr_phy_init module advances to the INIT_PI_PHASELOCK_READS state, but does not progress further, and I can see the pi_phase_locked_err Calibration for DDR4 SDRAM (MIG) IP taking days. Write Leveling is only performed for DDR3 designs. 2 For some of our cameras (our product is a camera), we noticed some problems for the system to start at ambient temperature when the The calibration is working fine on other DDR banks and on random ones on other boards(Ex- bank 0 and 2 on board A, bank 3 on board B, etc). And I am having some trouble. m icap. I have a custom Zynq Ultrascale\+ board and testing DDR4 MIG. We have designed a FIFO with the DDR3 RAM and would like to test it in simulation. The Memory Controller drives the Data Mask (DM) signal when it is enabled during MIG generation through the CORE Generator tool. m. NOTE:This Answer Record is part of the Xilinx MIG Solution Center(Xilinx Answer 34243). Read Simple from GUI Rising Left Margin Center Right Margin B0N0 147 236 147 B0N1 152 233 155 Falling Left Margin Center Right Margin B0N0 154 218 154 B0N1 155 240 159 Take the Center value and subtract Left Margin The 7 Series FPGAs Memory Interface Solutions v2. NOTE: This Answer Record is part of the Xilinx MIG Solution Center (Xilinx Answer 34243). As per the Jedec standard, Dynamic ODT cannot be used during Write Leveling. The wrcal state machine first checks the lower byte (related to DQS0) of the read pattern and that is all correct, FF 00 AA 55 55 AA 99 66. We are using Vivado 2015. I have tested 12 samples of DDR4 component memory (All 12 samples are same. My goal is to diagnose the source of calibration failure on-board, without using Vivado and Xilinx hardware server and rely only on these debug signals. MIG provides several on-chip termination options for the bidirectional memory interface signals: dq, ldqs_p/n, udqs_p/n. , The other way is check MIG 7 series Hardware debug guide for step by step debug flow and capture the failing signals for investigation on which bit/byte is the failure The MCB performs the hard calibration step to determine the correct read window for data capture with DQS during memory reads. Also check the top level reset in to the MIG core to see if it's the correct polarity for the MIG configuration. 5 User Guide www. The Vivado version is v2021. My simulation (using Vivado's simulator) gets stuck during initial calibration. Nothing related to the MIG has changed between a build that didn't produce this critical warning and the one that now does produce it. In general, read latency varies based on several parameters: Note Test with Vivado Lab started AFTER FPGA powered on, but BEFORE MIG calibration. Product Application Engineer Xilinx Technical Support Here are some values for the Read Simple margin with the Center view selected. 8 is recommended but not required as long I would like to run a behavioral simulation of DDR3 memory provided by MIG 7series 4. vhd module. The state of Vivado Lab seems to affect the results: Test with Vivado Lab never running RESULT: MIG calibration FAIL Test with Vivado Lab started AFTER FPGA powered on, but BEFORE MIG calibration (i. Ultrascale DDR4 MIG debug signals. v/. Memory Interface is a free software tool used to generate memory controllers The calibration and memory initialization are automatically conducted after deassertion of the system reset. Table 3 provides PL DDR4 FPGA drive strength and ODT Memory Interface generates through a Graphic User Interface the unencrypted Verilog or VHDL design files, UCF constraints, and simulation script files to simplify the memory interface design process. and I find the microblaze is netlist in the dirctory imports. Now I want to use the values from the calibration result for skipping this long repetitive initialization. MIG 7 Series v2. Best regards, kshimizu . Whether you are starting a new design with MIG RTT_NOM = "DISABLED". The problem with the simulation is that the output port called init_calib_complete of the top module of the MIG core never becomes HIGH. Hi All, I am trying to create a working simulation refernce for my requirement of DDR4 controller with below configurations. According to AR64923 this issue was resolved in Vivado 2016. QUALITY AND RELIABILITY. The margins that are reported in the MIG dashboard actually represent the left and right edges that the FPGA detected as the boundary between the bad and good data regions while sweeping through the basic and complex calibration steps. For general details on Write Leveling, see (Xilinx Answer 35094). NOTE: This Answer Record is contained in a series of MIG hardware debug Answer Records and assumes you The first steps in any calibration debug is to: Verify Pin-Out and Banking MIG Requirements have been followed; see (Xilinx Answer 34308). This seems to suggest the MIG calibration success has a dependency on Vivado Lab running, but we can't leave it running DDR4 MIG with ECC on VCU108. 3 DDR3 SDRAM designs stick in calibration during simulations for all scenarios with "Phy to Controller Clock Ratio" of 1 (nCK_PER_CLK = 2), and also in certain cases for "Phy to Hi, I am running DDR4 MIG tests on VCU108 EVM as per XTP364 document. We are suffering from MIG calibration failures ONLY when loading the FPGA image via a programmed BPI Flash (not via JTAG upload). Write Calibration is only performed for DDR3 and is performed at the same time as read leveling stage 2. I have also built other designs and was able to load them on the same system. 2. In vivado 2017. png Loading × Sorry to interrupt 44854 - MIG 7 Series v1. FPGA part used : XC6SLX25-3FTG256 DDR3 memory part : MT41K128M16 (2Gb memory) Memory clock frequency is 400MHz. 256: calibrate_mig: MIG calibration timeout after bitstream download; I can successfully run xbutil validate on this system. Verify Board-Layout Requirements have been followed (includes SI Simulation information); see (Xilinx Answer 34544). Memory modules (DIMM) are supported for DDR3, DDR2 and DDR SDRAMs. 5 tool generates DDRII SRAM, DDR SDRAM, DDR2 SDRAM, QDRII SRAM, and RLDRAM II interfaces for Virtex™-4 FPGAs. If someone has actual time for the ZCU-102 board, that would at least be one point of reference. This Answer Record details how to debug a failure during the Write Leveling stage of the Virtex-6 MIG DDR3 calibration process. 3 DDR3 - Certain configurations cause designs to fail calibration in simulation Description In certain configurations, MIG 7 Series v1. The Virtex-6 XCVU125 DDR4 MIG Invalid core status. RF & DFE. 1 will use that 200MHz "ref_clk" to clock the XADC and then an extra MMCM is added to generate the 300MHz or 400MHz IDELAYCTRL reference clock required for the v2. Version Found: MIG 7 Series v2. com/products/boards-and-kits Xilinx MIG 1. 5) February 15, 2006 R Preface About This Guide The Memory Interface Generator (MIG) 1. The calibration and memory initialization are automatically conducted after deassertion of the system reset. 6 (Xilinx Answer 50700) MIG 7 Series DDR3 - DQSFOUND calibration stage can go into infinite loop: 1. 2 and a non-project tcl based flow. after a reset) 探しているものが表示されませんか? 7 years ago. The state of Vivado Lab seems to affect the results: Test with Vivado Lab never running. Write Latency Calibration. c file to initialize the DDR controller, but the calibration time is not defined anywhere. DDR校准失败，和版本编译相关，请问是哪里的问题. When I was looking for similar posts on XILINX forums, I read that MIG cores that are created for DDR-RAM need only 50 How to do MIG DDR4 calibration simulation. The Nibbles reported in the Hardware Manager and XSDB Calibration results for Ultrascale/Ultrascale\+ Memory Interface IP correspond to the physical Select I/O Nibbles and are not necessarily referring to the physical DQS pairs in the layout. RESULT: FPGA image does not appear to load from the BPI Flash . MEMORY INTERFACES AND NOC. [Xicom 50-46] One or more detected MIG version registers have empty values: MIG properties will not be built. BOOT AND CONFIGURATION. "OFF". Feb 15, 2023 · Description. RTT_WR = "60". 芯片用的是zu21dr，vivado2019. 12). 3. The failure might occur due to invalid Mode Register values or from a protocol timing mismatch between the controller and the DRAM devices due to incorrect values being programmed in to the DRAM devices. This document describes techniques to debug calibration failures and data errors related to designs using the 7 series MIG DDR3 SDRAM core. Per-Bit Deskew. The Xilinx MIG Solution Center is available to address all questions related to MIG. We are using an off the shelf PCIe card with XCVU125 Virtex Ultrascale part. icap. 7 and v1. This seems to suggest the MIG calibration success has a dependency on Vivado Lab running, but we can't leave it running Aug 11, 2023 · 68937 - UltraScale/UltraScale+ DDR3 and DDR4 Memory IP Interface Calibration and Hardware Debug Guide. Write Leveling. The Xilinx MIG Solution Center is available to address all questions related to MIG. When phy_init_done does not assert, signifying a calibration failure, it is important to first identify which stage of calibration failed. 3 so I'm not quite sure what to do. A complete list of signals to capture in the ChipScope Pro tool when debugging calibration failures and data errors has been provided. AR# 51954: MIG 7 Series DDR2/DDR3 - PHY Initialization and Calibration. It includes Feb 15, 2023 · MIG can provide calibrated on-chip input termination for DDR2 and DDR3 memory interfaces. Memory Interfaces and NoC. UltraScale PL DDR4. Write Calibration calibrates the number of clock cycles needed to delay DQS and DQ. It also generates DDR and DDR2 SDRAM interfaces for Spartan™-3 FPGAs and DDR SDRAM I have created a DDR3 memory interface using Xilinx's Spartan 6 MIG IP. 1 was designed to remain compatible with prior versions in which case a 200MHz input "ref_clk" is still required. Hi, I'm doing simulations with DDR3 controller from MIG. I could use some help/pointers on what to look for when debugging a write calibration failure with 16 bit DDR3. Hi @mourya-boddu (Member) :. Older versions gave the user more flexibility/rope. Product Application Engineer Xilinx Technical Support During initialization the second rank will receive incorrect values during Mode Register programming which will result in calibration failures. SERIAL TRANSCEIVER. 1 We are now debugging this issue and thus we are reviewing the reset connections on the memory Once these items have been verified, this answer record should serve as a starting point for debugging calibration failures, data errors, and general board level issues. I used an Internal system clock of 100MHz for MIG's c1_sys We are suffering from MIG calibration failures ONLY when loading the FPGA image via a programmed BPI Flash (not via JTAG upload). Check this the same way as checking the LOCKED signals buy marking it as debug and adding it to an ILA core. THE MIG has been generated with 32 Bit DDR3 RAM (2 x16 Bit) and 400 MHz DDR clock using an external 200 MHz clock on a Artix 7 200T FG484 -1 device using Vivado 2015. zip" available at https://www. This section of the MIG Design Assistant focuses on the proper debug process for root causing calibration failures (phy_init_done does not assert). So far we have had reflow done on these banks to ensure that contacts are ok and swapped DIMMs to make sure it is not the memory which is faulty. MIG DDR3 Controller loosing calibration. The debugging section of PG150 goes over some general checks you should do for this condition. New calibration updates are required for MIG 7 Series DDR3 designs due to potential calibration failures across process variation or continuous resets. This section of the MIG Design Assistant focuses on the initialization and calibration (timing training) performed by the PHY at power-up. Read DQS Centering. I am using Vivado 2016. Hi, we are having a problem during simple behavorial simulation. 1. Read latency is measured from the point where the read command is accepted by the UI or native interface. IP およびトランシーバー. Actually I have 2 slave channels (with 512 data width ) sharing the MIG through an AXI Interconnect block. This answer record details the calibration updates and includes links to patches for both MIG 7 Series v1. The PHY logic contains state logic for initializing the SDRAM memory after power-up and performs timing training of the read and write data paths to account for system static and dynamic delays. The problem comes and goes by restarting the device. e. The soft calibration module implements some aspects of Phases 1, 2, and 3 of calibration. Hello, In one of our design, we have implemented a MIG DDR3 controller in an Artix-7 (XC7A200T FBV480 speed grade 2). 5: 1. This is an issue with the Micron memory model and only occurs at If the calibration passes then it is your design issue I think you can cross check the changes one by one, MIG settings in terms of terminations etc. I have a problem with MIG DDR4 on zcu111 board using Vivado 2018. Making different implementation of the same design sometimes calibration of controller fails (see attached image) . The FPGA we use is: xczu47dr-ffvg1517-2-e The DDR4 memory controller is instantiated in a block design, using the IP called "DDR4 SDRAM (MIG)", version 2. Solution. If you want to achieve your requirement, please control the system reset. Test with Vivado Lab started AFTER FPGA powered on, but BEFORE MIG calibration. 版本之间ddr部分代码是没 The overall read latency of the MIG 7 Series DDR3/DDR2 core is dependent on how the memory controller is configured, but most critically on the target traffic/access pattern. However, if the DM signal is disabled, all DM signals should be pulled to ground at the memory with a resistor value set MIG Behavorial simulation. After Write Leveling completes, the MR1 and MR2 mode registers are reprogrammed with the Dynamic ODT Jan 25, 2023 · MIG UltraScale DDR3 and DDR4 Memory Interface Calibration and Hardware Debug Guide (Xilinx Answer 71119) UltraScale/UltraScale+ Memory IP - Reading and Understanding the Calibration Margins Reported in the MIG Dashboard (Xilinx Answer 63462) MIG UltraScale - Sample CSV data file for creating Custom Parts (Xilinx Answer 63831) MIG UltraScale **BEST SOLUTION** Hello @hithesh123hes2,. I have try modify "parameter BYPASS_CAL = "TRUE"" to "parameter BYPASS_CAL = "FALSE"". OTHER INTERFACE & WIRELESS IP. Write Calibration is a phase performed after power-up/reset in the Virtex-6 MIG DDR3 design's calibration process. PROGRAMMABLE LOGIC, I/O & BOOT/CONFIGURATION. 0 Rev 3. In the MIG GUI, there's a link you can follow that (somewhat) explains the fields of the "Parts Data File" used by the MIG to configure the memory controller to interact with a particular memory device. For the setup of simulation testbench including DDR3, it is acceptable with time required for initialization of DDR PHY. I'm working with Vivado 2019. The following are the only supported values for the SIM_BYPASS_INIT parameter: "FAST". PROGRAMMABLE LOGIC, I/O AND PACKAGING. I did wait for more than 400\+ us. Moving to v1. I did not add the ddr3 module in the simulation. How can a kernel change impact MIG calibration which is well outside of my design? How do we move around this issue? System Description. The checklist organizes information that is critical to successful MIG operation, especially at top supported data rates. 8 designs. Write DQS to DQ Deskew. 2，在编译工程的时候，有的工程在jtag抓数察看时，mig窗口显示DDR校准不过，而且这个时候DDR访问是有问题的；而有的工程校准是没问题的，DDR访问也正常。. 0 User Guide (UG586) suggests that SKIP is a supported value for the SIM_BYPASS_INIT parameter, but this is incorrect. Then it checks the upper byte (related to DQS1) and the last byte is wrong: FF 00 AA 55 55 AA 综合讨论和文档翻译. Read Leveling. Following is the PG150, that is for “UltraScale FPGA device”. 1 calibration updates. This is a long time in the simulator! Is there any way to edit the IP verilog simulation files to shorten calibration time? 2015-12-20 08_50_20. 2 (Rev. RESULT: MIG calibration PASS; Test with Vivado Lab running BEFORE FPGA powered on. March 13, 2019 at 8:06 AM. Optional on-chip termination features in Spartan-6 FPGAs eliminate complex external board termination schemes for high-speed single-ended signaling, such as those commonly found in memory interfaces. The total simulation time was 1 ms (I attached the photo of the simulation to the post). Write DQS to CK alignment. It is best to start at the beginning Description. Can you please let me know how is it testing the DDR4 interface and what all is getting verified as a part of this testing? The calibration is working fine on other DDR banks and on random ones on other boards(Ex- bank 0 and 2 on board A, bank 3 on board B, etc). When this option is selected in the FPGA Option screen of the MIG GUI, it sets the parameter CX_SKIP_IN_TERM_CAL=0 for the top-level MIG generated design which enables the input termination calibration algorithm in the mcb_soft_calibration. When we configure the FPGA, we get: If there not asserted then you have a clocking or clock quality problem. For this reason, the 7 Series MIG PHY turns Dynamic ODT off and sets RTT_NOM to 40 ohm before Write Leveling. after a reset) RESULT: MIG calibration PASS Test with Vivado Lab running BEFORE FPGA powered on RESULT: FPGA image does not appear to load from DDR ODT settings are rather fixed in the newer MIGs. . The MIG is configured with AXI interface of course with (72 bits and ECC is checked automatically). The MIG Virtex-6 DDR2/DDR3 FPGA design goes through the following calibration stages: This series of calibration debug Answer Records focus on debugging Write Leveling, Read Leveling Stage 1 Hi @adieuxake3 . Hello, I'm trying to understand how to correctly interpret DDR4 Ultrascale MIG debug signals described in pg150 in Table 38-2. com 9 UG086 (v1. Version Resolved: See (Xilinx Answer 54025) At high frequency it is possible for calibration to fail as a result of different phase alignments between the read clock (QK/QK#) and read data (DQ) in the memory model and during calibration. wq au sx eq ef wn ik ae dy xr